CN208313228U - A kind of portable pipe external diameter measuring device - Google Patents
A kind of portable pipe external diameter measuring device Download PDFInfo
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- CN208313228U CN208313228U CN201821011537.8U CN201821011537U CN208313228U CN 208313228 U CN208313228 U CN 208313228U CN 201821011537 U CN201821011537 U CN 201821011537U CN 208313228 U CN208313228 U CN 208313228U
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- measuring device
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Abstract
The utility model discloses a kind of portable pipe external diameter measuring devices, belong to pipeline flow fields of measurement.The device includes laser reflecting device, upright bar, sliding block, laser emitter, slide bar and sliding rod rack, laser reflecting device is mounted in upright bar, upright bar is vertically mounted on sliding block, and sliding block is lain in a horizontal plane in the sliding measuring device being made of slide bar I, slide bar II and sliding rod rack；Sliding measuring device can adjust its height, be in a horizontal position slide bar I, slide bar II and sliding rod rack；The slide bar I, slide bar II can be by supporting adjusting seat to be supported.Pipe diameter measuring device forms a plane vertical with pipeline central axes by laser emitter, upright bar, sliding block and laser reflecting device.Utility model device can fast and accurately measure outer diameter tube, while can accurately determine the symmetric points of pipeline two sides, and structure is simple, good portability, especially suitable for external-clamping type ultrasonic flowmeter to the needs of large diameter pipeline flow site.
Description
Technical field
The utility model belongs to pipeline flow field of measuring technique, and in particular to a kind of portable pipe outside diameter measuring dress
It sets.
Background technique
As water resource is increasingly in short supply and water resources taxes is gradually increased, saving water, which becomes enterprise response country, is pushed forward comprehensively
The important measures of water-saving society establishment and enterprise realize the important content of sustainable development.It realizes to save water and need entirely
Face understands the water and water quality of each defeated drainage pipeline, irrigation canals and ditches etc. in enterprise, and apparent each water system takes, use, the relationship between row.
Enterprise is due to various reasons, it is impossible to every root canal road, every irrigation canals and ditches all device flowmeters, it is therefore desirable to periodically carry out water balance examination
It tests to grasp the Developing Condition of water conservation in time.In water balance test work common flowrate measuring tool be external clamping (just
Take formula) ultrasonic flowmeter.External clamping (portable) ultrasonic flowmeter has in measurement process not by pipeline internal medium and pressure
Power influences, does not damage pipeline, safe and reliable feature.Situations such as according to the material of pipeline, diameter, inner wall corrosion, external clamping is super
Acoustic wave flow meter first has to determine in use the outer diameter of pipeline, and the accurate measurement of outer diameter tube is to influence measurement accuracy
An important factor for.Conventional outer diameter tube measurement generally uses vernier caliper, micrometer, transit survey method, arc height chord length method
Often has that instrument is complicated, conversion bothers, Huo Zheliang for large diameter pipeline measurement in practical applications Deng, these measurement methods
Has oversized problem that is overweight, carrying difficulty.
Chinese patent application CN200910035213.7 discloses a kind of measurement list of portable general major-diameter measuring gauge
Member including an ontology, is connected to first positioning column and the second positioning column and the first fixed mechanism and second solid at ontology both ends
Mechanism is determined, wherein the lateral surface of the first positioning column and the second positioning column is cylindrical surface, by a series of measuring units successively head and the tail phase
Fixed, which is scheduled on testee circumferential surface, can measure object circumferential surface diameter.This aspect is relatively simple, theoretically may be used
To measure arbitrarily large diameter, but for large-diameter pipeline, it is difficult to guarantee all measuring gages in one plane.
Chinese patent application CN201420152382.5 discloses major diameter micrometer, including arc bracket, adjuster, adjusts
Saving device includes sleeve, screw rod, adjusting nut and support block, and sleeve is vertically fixed on the arc bracket, is equipped with externally threaded be somebody's turn to do
After screw rod runs through the sleeve, and the screw rod one end in the close arc bracket center of circle matches connection with the adjusting nut screw thread, hang down
It is direct-connected to connect the support block.The adjuster for installing a bearing on the major diameter micrometer additional, can easily measure major diameter work
Part, will not because two manpower amounts are inconsistent or for a long time exert oneself manpower fatigue caused by mistake, reduce error.But the device pair
The pipeline of different tube diameters needs replacing different size of arc bracket, cumbersome.
Chinese patent application CN201610660161.2 discloses cable diameter gauge inside and outside a kind of round tube, including three idler wheels,
Two measurement arms and angular displacement sensor, two measurement arms are rotatably connected, and one of idler wheel, two surveys are arranged in junction
Another idler wheel is respectively arranged in the outer end of amount arm, and idler wheel is fixed on measurement arm by wheel shaft, and can be rolled, two measurement arms
Axle hole between spacing it is equal.The program is suitable for the measurement of major diameter round tube internal-and external diameter, but this is measured as measuring indirectly,
It also converts, is more troublesome.
Chinese patent application 201620687493.5 discloses a kind of portable major diameter measuring apparatus and its measurement parameter
Scaling method, the major diameter measuring apparatus include mounting box and three groups of laser displacement sensors, nothings being mounted in mounting box
Line transceiver module, lithium battery；Mounting box is arc-shaped, three groups of laser displacement sensors according to mounting box circular arc rotation direction successively cloth
It sets and light that three groups of laser displacement sensors are emitted is directed toward the center of arc of mounting box through the inner arc face of mounting box；
Although the device can carry out contactless precise measurement in diameter of any occasion to large revolving body workpiece, it is not suitable for
In the measurement of outer diameter tube, and calculate complexity.
Chinese patent application CN201620600407.2 discloses a kind of major diameter outer circle test measuring device, the length of main gage
Adjustable, the both ends of main gage are detachably equipped with left snap-gauge and right snap-gauge, the card of the catch surface of left snap-gauge and right snap-gauge respectively
The face of holding is arranged in parallel, and is detachably equipped with dial gauge on right snap-gauge, the gauge head of dial gauge stretch out right snap-gauge catch surface and left card
The catch surface of plate is vertically arranged.Although the test measuring device can obtain processing dimension by directly detecting outer circle, without passing through it
His measurer conversion, therefore eliminate indirect error, but snap-gauge needed replacing for different-diameter pipeline, while dial gauge
Position determines that there is also uncertainties, troublesome in poeration.
Chinese patent application CN201620687493.5 discloses a kind of major diameter cambered surface external diameter measuring device, by amount frame,
Adjustable limiting length bar, adjustable limiting length bar pedestal and dial gauge are constituted, and amount frame is in semicircular arc structure, the assembly of adjustable limiting length bar
On adjustable limiting length bar pedestal and by the both ends of the welding manner amount of being fixed on frame, dial gauge is being measured by indicator bracket setting
The both ends of frame.The device can measure major diameter cambered surface outer diameter, and can directly read, but the device is needed according to difference
Caliber is equipped with different amount framves, and the device is more difficult to the centering of outer diameter.
Chinese patent application CN201720263478.2 describes a kind of pipe diameter measuring device of adjustable extent, has solid
Scale, attachable mechanical stage, fixed link and mobile bar composition form similar " mouth " font by adjusting the length of four rulers (bar)
Figure, to carry out the determination of measuring point.But existing main problem is fixed link and mobile bar is rectangular telescopic rod, causes to measure
When large diameter pipeline, with the elongation of telescopic rod, width is inconsistent up and down for fixed link and mobile bar, fixed link and mobile bar with
The point of tube contacts is not that the center of circle is symmetrical, and there are certain deviations for measurement.
The factor of external-clamping type ultrasonic flowmeter measurement accuracy is influenced in addition to outer diameter tube, and the accurate selection of point is installed
It is also important factor in order.External-clamping type ultrasonic flowmeter carries out flow measurement frequently with V method, Z method etc..V method measurement is by two
The same side that a sensor is mounted on pipe under test measures, and two sensors are often mounted in a scale track, with
The central axes of the middle axial plane and pipe under test that guarantee two sensors in one plane, apply in general to the survey of small-bore pipeline
Amount.The shortcomings that V method measures is weak to the serious pipeline conducted signal of fouling, or does not have conducted signal, and measurement accuracy is low, and reflection is not
Correct medium flow field magnitude in pipeline out.Z method measurement is the two sides that two sensors are located to pipeline, first determines a biography
Then the position of sensor measures another point in horizontal position by mounting distance, then measures this in pair of the pipeline other side
Claim point.The advantages of Z method is that conducted signal is strong, the measurement suitable for fluid in large diameter pipeline.But measured using Z method
One problem is that two sensors are placed in the two sides of pipeline, it is difficult to guarantee two measuring points and pipeline central axes in a plane
It is interior, cause when testing, signal is weaker or does not receive signal, needs frequently to adjust probe positions, and it is time-consuming and laborious, it is special
It is bigger not to be that measurement for the large-diameter pipeline of DN600 or more influences.
Xue Meihua and Gao Jianjie (industry measurement, the 5th phase of volume 2004,14) describe probe of ultrasonic flowmeter V method and Z
The installation method of method.It is production standard paper first, mark line is drawn on paper tape, then standard paper extends standard around Guan Yizhou
The mark line of paper draws straight line on pipeline, then draws a circumference on pipeline along standard paper, with mark line extended line phase
It hands over.When using the installation of V method, the setting position of a probe is fixed on extended line, then measures the position of another probe；
When using the installation of Z method, along the another side of standard paper on pipeline standardized circumference again, intersect with primary standard line extended line,
Based on the straight line where the two o'clock intersected with normal line, standard paper is circumferentially moved, at 1/2 probe circumference, again
Mark line on extension standard paper, draws straight line on pipeline, intersects with two circumferences on pipeline, so that it may determine the peace of Z method
Holding position.This method is although relatively simple, but there is paper tape rapid wear and the approximation for slightly radian in operation
Straight tube, paper tape will appear the problem that cannot be close to pipeline completely and lead to measurement inaccuracy.
Chinese patent application CN201220205029.X describes a kind of ultrasonic probe installation stationary fixture, passes through track
Ruler links together two magnet bases, which measures suitable for V method, is not suitable for the measurement of Z method.
It is legal that Chinese patent application CN201320065430.2 describes a kind of portable type ultrasonic flowmeter on-site test Z
Position device, the frame being made of the first frame, the second frame, third frame and the 4th frame, four frames are scalable and pull rod
With length scale.The detection timeliness of small-bore pipeline can be improved in the device, but the device uses telescopic lever, makes
In for the measurement of large diameter pipeline there are operation difficulties it is big, device is easily-deformable, position inaccurate the problems such as.
Utility model content
Current external-clamping type ultrasonic flowmeter when carrying out large diameter pipeline flow measurement there are aiming at the problem that, this is practical
It is novel provide a kind of external-clamping type ultrasonic flowmeter and carry out portable pipe outside diameter measuring when large diameter pipeline flow rate test fill
It sets, the accuracy of measurement result can be improved.
What the utility model adopts the following technical solution to realize:
A kind of portable pipe external diameter measuring device, including two laser reflecting devices, two upright bars, two sliding blocks, two
A laser emitter, slide bar I, slide bar II and sliding rod rack；Wherein,
Each laser reflecting device is mounted in corresponding upright bar, and upright bar is vertically mounted on corresponding sliding block, sliding block water
Placing flat is in the sliding measuring device being made of slide bar I, slide bar II and sliding rod rack；Sliding measuring device can adjust its height
Degree, is in a horizontal position slide bar I, slide bar II and sliding rod rack；Slide bar I and slide bar II are by supporting adjusting seat to be supported；
Sliding block top is equipped with tuning drive gear, and sliding block central upper portion position is provided with screw hole, the hollow stud end phase with upright bar
It is mating；Sliding block lower central position is provided with screw hole, and lower part screw hole central axes are overlapped with superior screw central axes, and upper and lower screw hole
It communicates；Sliding block lower part screw hole complements one another with laser emitter, and the power pack and switch of laser emitter are fixed on sliding block；Swash
Light reflecting device is made of laser mirror and pedestal, and pedestal is hollow stud, and laser mirror is mounted on base top；
In use, the sliding measuring device after fixed is placed below pipe under test, and vertical with pipe under test, opens and swash
Optical transmitting set power supply, adjust laser reflecting device angle, make pipe under test side laser by laser mirror be reflected into
In the hollow pipeline that the test tube road other side is made of laser reflecting device, upright bar and sliding block, one and pipe under test axis are formed
Then the vertical plane of line adjusts one side slide of pipe under test, so that upright bar is contacted pipe under test outer wall, then adjust pipe under test
Another side slide makes upright bar contact pipe under test outer wall, pipe under test outer diameter be pipe under test both ends sliding block high scale pointer it
Between distance subtract the diameter of upright bar；The contact point of upright bar and pipe under test two sides is the symmetric points of pipe under test two sides.
The utility model, which further improves, to be, laser mirror and base top horizontal plane are in 45 ° of angles.
The utility model, which further improves, to be, upright bar is hollow straight-bar, and one end is screw hole, and the other end is hollow spiral shell
The pedestal stud of column, laser reflecting device matches with upright bar screw hole, and the hollow stud end of upright bar complements one another with its screw hole；Upright bar
Material is metal or rigid plastics.
The utility model, which further improves, to be, the sliding support foot of locking device is provided on sliding block；
Axial plane is overlapped with upright bar central axes in sliding block, and vertical with slide bar I or II central axes of slide bar, tuning drive gear is by fixing spiral shell
Column is fixed on sliding block.
The utility model, which further improves, to be, laser emitter is cylindrical, has external screw thread.
The utility model, which further improves, to be, I one end of slide bar is screw hole, and the other end is stud, stud and screw hole
Match, and I central axes of slide bar are overlapped with its both ends screw hole and stud central axes；II both ends of slide bar are screw hole, with I spiral shell of slide bar
Column matches, and II central axes of slide bar are overlapped with its both ends screw hole central axes；There is full length scale on slide bar I and slide bar II.
The utility model, which further improves, to be, is placed with mobile and horizontal instrument, mobile and horizontal on slide bar I or slide bar II
Instrument has semi- cylindrical aperture, mating with slide bar outer diameter.
The utility model, which further improves, to be, sliding rod rack top is equipped with level meter, and side is equipped with circular hole, passes through spiral shell
Bolt and slide bar I and slide bar II fasten；Lower part is equipped with adjustment stabilizer blade, and is connected by screw hole with sliding rod rack.
The utility model, which further improves, to be, adjustment stabilizer blade one end is stud, and the other end is flat adjustment block.
The utility model, which further improves, to be, screw hole penetrates through up and down for the pedestal of laser reflecting device and upright bar, sliding block
Hole, laser emitter central axes are overlapped.
The utility model has following beneficial technical effect:
A kind of outer diameter tube measuring device provided by the utility model, can fast and accurately measure outer diameter tube, simultaneously
It can accurately determine the symmetric points of pipeline two sides, on this basis, can solve external-clamping type ultrasonic flowmeter and tested using Z method
When two o'clock determine inaccuracy problem, especially suitable for large diameter pipeline outside diameter measuring and flow rate test.The utility model structure
Simply, good portability can satisfy in-site measurement needs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is the front view of the sliding block of utility model device；
Fig. 3 is the left view of the sliding block of utility model device；
Fig. 4 is the top view of the sliding block of utility model device；
Fig. 5 is the front view of the sliding measuring device of utility model device；
Fig. 6 is the left view of the sliding measuring device of utility model device；
Fig. 7 is the top view of the sliding measuring device of utility model device；
Fig. 8 is the front view of the mobile and horizontal instrument of utility model device；
Fig. 9 is the left view of the mobile and horizontal instrument of utility model device；
Figure 10 is the top view of the mobile and horizontal instrument of utility model device；
Figure 11 is the schematic diagram of the bearing adjusting seat of utility model device.
In figure: 1, laser reflecting device, 2, laser mirror, 3, pedestal, 4, upright bar, 5, sliding block, 6, sliding support foot, 7,
Laser emitter, 8, power pack, 9, switch, 10, tuning drive gear, 11, fixed bolt, 12, locking device, 13, sliding rod rack,
14, level meter, 15, bolt, 16, circular hole, 17, adjustment stabilizer blade, 18, screw hole, 19, slide bar I, 20, slide bar II, 21, sliding measurement
Device, 22, mobile and horizontal instrument, 23, bearing adjusting seat.
Specific embodiment
The utility model is made further instructions below in conjunction with attached drawing.
As shown in Figure 1, a kind of portable pipe external diameter measuring device provided by the utility model, including laser reflecting device
1, upright bar 4, sliding block 5, laser emitter 7, slide bar I 19, slide bar II 20 and sliding rod rack 13.
Laser reflecting device 1 is made of laser mirror 2 and pedestal 3, and pedestal 3 is hollow stud, and laser mirror 2 is installed
It is in 45 ° of angles at 3 top of pedestal, and with 3 top levels of pedestal.
Upright bar 4 is hollow straight-bar, and one end is screw hole, and the other end is hollow stud, 3 stud of pedestal of laser reflecting device 1
Match with 4 screw hole of upright bar, the hollow stud end of upright bar 4 complements one another with its screw hole, and multistage upright bar 4 can pass through screw hole and stud
It is connected with each other；4 material of upright bar is metal or rigid plastics.
As shown in figures 1-4,5 central upper portion position of sliding block is provided with screw hole, matches with the hollow stud end of upright bar 4；It is sliding
5 lower central position of block is provided with screw hole, and lower part screw hole central axes are overlapped with superior screw central axes, and screw hole communicates up and down；
5 lower part screw hole of sliding block complements one another with laser emitter 7, and laser emitter 7 is cylindrical, has external screw thread；Laser emitter 7
Power pack 8 and switch 9 be fixed on sliding block 5.Sliding block 5, which slidably supports, has locking device 12 on foot 6.5 top of sliding block is equipped with
Tuning drive gear 10, wherein axial plane is overlapped with 4 central axes of upright bar, vertical with slide bar I 19 or II 20 central axes of slide bar, tuning drive gear 10
It is fixed on sliding block 5 by fixed bolt 11.
As shown in Fig. 5~11, I 19 one end of slide bar is screw hole, and the other end is stud, and stud matches with screw hole, and sliding
I 19 central axes of bar are overlapped with its both ends screw hole and stud central axes；II 20 both ends of slide bar are screw hole, with I 19 stud phase of slide bar
It is mating, and II 20 central axes of slide bar are overlapped with its both ends screw hole central axes；Full length scale is carved on slide bar I 19, from screw hole end
Initially as 0mm starting point, until stud front end terminates, preferably, length can be 500mm, 750mm or 1000mm.Slide bar II 20
On be carved with full length scale, from one end screw hole initially as 0mm graduation mark, until other end screw hole end is stopped, preferably, length can
For 500mm, 750mm or 1000mm.On slide bar I 19 or slide bar II 20 can holding movable level meter 22, mobile and horizontal instrument 22 have
There is semi- cylindrical aperture, it is mating with slide bar outer diameter.13 top of sliding rod rack is equipped with level meter 14, and side is equipped with circular hole 16, passes through
Bolt 15 and slide bar I 19, slide bar II 20 fasten；Lower part adjustment stabilizer blade 17 is connected by screw hole 18 with sliding rod rack 13.Adjustment branch
17 one end of foot is stud, and the other end is flat adjustment block.
The pedestal 3 of laser reflecting device 1 and upright bar 4, about 5 screw hole through hole of sliding block, 7 central axes of laser emitter weight
It closes.
When measurement, 5 top of sliding block is sequentially installed with upright bar 4 and laser reflecting device 1, and lower part is equipped with laser emitter 7.
Laser reflecting device 1 is mounted in 4 screw hole of upright bar by 3 stud of pedestal, and according to the difference of pipe under test height, upright bar 4 can be with
The interconnection between multistage upright bar is carried out to proper height by itself stud and screw hole, and laser emitter 7 is mounted on cunning
In 5 lower part screw hole of block, laser emitter 7 is connected by conducting wire with power pack 8.Slide bar I 19 can be according to pipe under test diameter
Difference carries out the interconnection between multistage slide bar by the stud and screw hole of itself, and slide bar I 19 passes through its upper stud and slide bar
II 20 connections, the slide bar I 19 and slide bar II 20 connected are fixed on sliding rod rack 13 by bolt 15.Sliding measurement after fixation
Device 21 is placed below pipe under test, and vertical with pipe under test, then will connect the laser reflecting device 1 finished, upright bar
4, sliding block 5, laser emitter 7 are placed in sliding measuring device 21 and are located at the side of pipe under test, while swashing another set of
Light reflecting device 1, upright bar 4 and sliding block 5 are placed in sliding measuring device 21 after connecting and are located at the another of pipe under test
Side.The holding movable level meter 22 above slide bar I 19 and slide bar II 20 as needed can be under slide bar I 19 and slide bar II 20
Bearing adjusting seat 23 is placed by side, is adjusted to adjustment stabilizer blade 17 and bearing adjusting seat 23, guarantees that sliding measuring device 21 is in
Horizontal position.Adjust two side slide of pipe under test, 5 high scale pointer 10, make wherein axial plane be overlapped with 4 central axes of upright bar, with slide bar
I 19 or II 20 central axes of slide bar it is vertical.7 power supply of laser emitter is opened, 1 angle of laser reflecting device is adjusted, makes pipe under test
Side laser is reflected into the pipe under test other side by laser mirror 2 and is made of laser reflecting device 1, upright bar 4 and sliding block 5
Hollow pipeline in, formed a plane vertical with pipe under test central axes, then adjustment one side slide 5 of pipe under test, make
Upright bar 4 contacts pipe under test outer wall, and locking device 12 in locking slide support leg 6 makes laser reflecting device 1, upright bar 4 and sliding block
5 are kept fixed, and then adjust another side slide 5 of pipe under test, upright bar 4 is made to contact pipe under test outer wall, locking slide support leg 6
Upper locking device 12.Pipe under test outer diameter is that the distance between 5 high scale pointer 10 of pipe under test both ends sliding block subtracts upright bar 4
Diameter.The contact point of upright bar 4 and pipe under test two sides is the symmetric points of pipe under test two sides.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of components are named
Title etc. can be different, and above content is only illustrate to examples for clearly illustrating the present invention described in this specification.It is all according to
The equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are included in
In the protection scope of the utility model patent.The utility model patent person of ordinary skill in the field can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of portable pipe external diameter measuring device, which is characterized in that including two laser reflecting devices (1), two upright bars
(4), two sliding blocks (5), two laser emitters (7), slide bar I (19), slide bar II (20) and sliding rod rack (13)；Wherein,
Each laser reflecting device (1) is mounted on corresponding upright bar (4), and upright bar (4) is vertically mounted on corresponding sliding block (5)
On, sliding block (5) lies in a horizontal plane in the sliding measuring device being made of slide bar I (19), slide bar II (20) and sliding rod rack (13)
(21) on；Sliding measuring device (21) can adjust its height, make at slide bar I (19), slide bar II (20) and sliding rod rack (13)
In horizontal position；Slide bar I (19) and slide bar II (20) are by supporting adjusting seat (23) to be supported；
Sliding block (5) top is equipped with tuning drive gear (10), and sliding block (5) central upper portion position is provided with screw hole, hollow with upright bar (4)
Stud end matches；Sliding block (5) lower central position is provided with screw hole, lower part screw hole central axes and superior screw central axes weight
It closes, and screw hole communicates up and down；Sliding block (5) lower part screw hole complements one another with laser emitter (7), the power supply of laser emitter (7)
Box (8) and switch (9) are fixed on sliding block (5)；Laser reflecting device (1) is made of laser mirror (2) and pedestal (3), bottom
Seat (3) is hollow stud, and laser mirror (2) is mounted at the top of pedestal (3).
2. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that laser mirror (2)
It is in 45 ° of angles with pedestal (3) top levels.
3. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that upright bar (4) is hollow
Straight-bar, one end are screw hole, and the other end is hollow stud, pedestal (3) stud and upright bar (4) the screw hole phase of laser reflecting device (1)
Mating, the hollow stud end of upright bar (4) complements one another with its screw hole；Upright bar (4) material is metal or rigid plastics.
4. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that sliding block is arranged on (5)
Sliding support foot (6) with locking device (12)；
Axial plane is overlapped with upright bar (4) central axes in sliding block (5), and vertical with slide bar I (19) or slide bar II (20) central axes, scale refers to
Needle (10) is fixed on sliding block (5) by fixed bolt (11).
5. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that laser emitter (7)
It is cylindrical, have external screw thread.
6. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that slide bar I (19) one end
For screw hole, the other end is stud, and stud matches with screw hole, and in slide bar I (19) central axes and its both ends screw hole and stud
Axis is overlapped；Slide bar II (20) both ends are screw hole, are matched with slide bar I (19) stud, and slide bar II (20) central axes and its
Both ends screw hole central axes are overlapped；There is full length scale on slide bar I (19) and slide bar II (20).
7. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that slide bar I (19) or
It is placed on slide bar II (20) mobile and horizontal instrument (22), mobile and horizontal instrument (22) has semi- cylindrical aperture, matches with slide bar outer diameter
Set.
8. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that on sliding rod rack (13)
Portion is equipped with level meter (14), and side is equipped with circular hole (16), is fastened by bolt (15) and slide bar I (19) and slide bar II (20)；Under
Portion is equipped with adjustment stabilizer blade (17), and is connected by screw hole (18) with sliding rod rack (13).
9. a kind of portable pipe external diameter measuring device according to claim 8, which is characterized in that adjustment stabilizer blade (17) one
End is stud, and the other end is flat adjustment block.
10. a kind of portable pipe external diameter measuring device according to claim 1, which is characterized in that laser reflecting device
(1) screw hole through hole, laser emitter (7) central axes are overlapped pedestal (3) up and down with upright bar (4), sliding block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011537.8U CN208313228U (en) | 2018-06-28 | 2018-06-28 | A kind of portable pipe external diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011537.8U CN208313228U (en) | 2018-06-28 | 2018-06-28 | A kind of portable pipe external diameter measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313228U true CN208313228U (en) | 2019-01-01 |
Family
ID=64717143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821011537.8U Expired - Fee Related CN208313228U (en) | 2018-06-28 | 2018-06-28 | A kind of portable pipe external diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844477A (en) * | 2018-06-28 | 2018-11-20 | 西安交通大学 | A kind of portable pipe external diameter measuring device |
-
2018
- 2018-06-28 CN CN201821011537.8U patent/CN208313228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844477A (en) * | 2018-06-28 | 2018-11-20 | 西安交通大学 | A kind of portable pipe external diameter measuring device |
| CN108844477B (en) * | 2018-06-28 | 2024-04-02 | 西安交通大学 | Portable pipeline external diameter measuring device |
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